Michael Gallagher is Professor of Comparative Politics at Trinity College, University of Dublin. He has also been a visiting Professor at New York University and at City University of Hong Kong. His research has covered various aspects of elections, electoral systems and political parties in a comparative context. Paul Mitchell graduated with a PhD in political science from the European University Institute, in Florence, Italy. After teaching at University College Galway and Queen's University Belfast, he joined the LSE in 2000 where he teaches party competition and research methods. Du...